HKS
Using a super light duralumin (A2014) as its main material that the strength has increased by 50% and hardness by 30% (over previous version). This change in material has allowed the design change that has also allowed the unit to be substantially lighter (10% less load on RB engines) and increasing the engine reliability and power.
 Nickel plating increases anti-frictional properties
Gear section is nickel plated for surface hardness increase (Hv: 350 ? 500 (compared to older version)) to withstand strengthened timing belts and any foreign objects that may get caught between the gear and belt.

To Suit NISSAN SKYLINE RB20DET RB25DET RB26DETT GTR
x1 Exhaust pulley